Results 11 to 20 of about 56,768 (286)
Only in exceptional cases, a pair of enantiomers do form a series of mixed crystals. The most well-known of the exceptions is the system laevorotatory carvoxime+dextrorotatory carvoxime; its properties are discussed in some detail. Also, attention is given to recent work on the polymorphism of optically active drugs.
Oonk, H. A. J., Rietveld, I. B.
core +3 more sources
Despite the fact that the self-disproportionation of enantiomers (SDE) has been found for several decades and has been widely used in crystallization, sublimation and chromatography for the purification or separation of nonracemic compounds, the ...
Shaoqiang Hu
doaj +2 more sources
The Enantiomers: Revolution or Evolution
The use of single stereoisomers are gaining popularity in the world of anesthesiology. The reduced costs of production have made these compounds available for clinical application. The majority of drugs used in anesthesiology such as ketamine, isoflurane, etomidate, atracurium, bupivacaine and ropivacaine have an asymmetric carbon, and are still used ...
Ekatodramis G, Borgeat A
openaire +4 more sources
On the Separation of Enantiomers by Drift Tube Ion Mobility Spectrometry [PDF]
Racemic mixtures of twelve common α-amino acids and three chiral drugs were tested for the separation of their enantiomers by drift tube ion mobility spectrometry (IMS)-quadrupole mass spectrometry (QMS) by introducing chiral selectors into the buffer ...
Markus, Doerr +1 more
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The separation of specific enantiomers of anticancer reagent cytarabine using HPLC. [PDF]
During the research and development stage of any drug candidate, there is a growing need to investigate the properties of existing enantiomers, if the drug possesses chirality.
Kamble, Shweta Ashok
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MODULATION OF CALCIUM CHANNELS IN ARTERIAL SMOOTH-MUSCLE CELLS BY DIHYDROPYRIDINE ENANTIOMERS [PDF]
The actions of the optical enantiomers of BAY K 8644 and Sandoz 202,791 were studied on barium inward currents recorded using the whole-cell configuration of the patch clamp technique from enzymatically isolated smooth muscle cells from the rabbit ear ...
S Hering +7 more
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Amino acid (AA) compositions were determined for bacteria-sized particles and particulate organic matter (POM) collected in offshore regions of the western North Pacific.
Hiroyuki eTakasu, Toshi eNagata
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Enantiomers of chiral fungicides usually display different toxic effects on nontarget organisms in the surrounding environment, although there are rare reports on the enantioselective toxicity of metconazole (MEZ) to aquatic organisms, such as ...
Ling Li, Peiling Huang, Junjie Li
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Characterization of the conglomerate form of acetyl-dl-leucine by thermal analysis and solubility measurements [PDF]
Starting from a mixture of enantiomers in solution, crystallization can generate different types of crystals. In order to determine which type of crystal is obtained in the case of acetylleucine, an active pharmaceutical ingredient (API), analytical ...
B. Biscans +9 more
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Pydiflumetofen is a novel and efficient broad-spectrum chiral fungicide consisting of a pair of enantiomers. A simple and sensitive chiral analytical method was established to determine the enantiomers of this chiral fungicide in food and environmental ...
Zhen Wang +8 more
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